Alert archive / Minnesota / Flash Flood Warnings in 1998

Flash Flood Warning 10, NWS Grand Forks, ND

June 26, 1998Becker County, Otter Tail County, Minnesota

NWS Grand Forks, ND issued this flash flood warning at Jun 26, 1998, 9:21 PM CDT for Becker County, Otter Tail County, Minnesota. It was in force for 119 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 26, 1998, 9:21 PM CDT (02:21 UTC)
Expired: Jun 26, 1998, 11:20 PM CDT
In force: 119 min
Issued by: NWS Grand Forks, ND
Area: Whole counties

Counties Becker County, MN, Otter Tail County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 156 km from the middle of the area, began a volume at 02:24 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.4 hours before the alert went out and 260 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1872 J/kg
Mixed-layer CIN: -138 J/kg
Mixed-layer LCL: 810 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 311 m²/s²
0-3 km storm-relative helicity: 469 m²/s²
Significant tornado parameter: 3.0
Supercell composite: 26.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KFAR 270222
FFWFAR
MNC005-111-270420-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
921 PM CDT FRI JUN 26 1998

THE NATIONAL WEATHER SERVICE IN GRAND FORKS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BECKER COUNTY IN WEST CENTRAL MINNESOTA
  OTTER TAIL COUNTY IN WEST CENTRAL MINNESOTA

* UNTIL 1120 PM CDT

* AT 920 PM...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ACROSS
  EASTERN BECKER AND EASTERN OTTER TAIL COUNTIES.  BEHIND THE
  STORMS...HEAVY RAIN EXTENDED INTO EXTREME SOUTHEAST NORTH
  DAKOTA. THE   STORMS WERE MOVING TO THE NORTHEAST AT 20 MPH.

* BECKER COUNTY SHERIFF REPORTS THAT SECTIONS OF HIGHWAY 10 WEST OF
  DETROIT LAKES WAS UNDEWATER.  FROM 1 TO 2 INCHES OF RAIN HAS
  ALREADY FALLEN WITH UP TO 2 INCHES OF ADDITIONAL RAINFALL EXPECTED
  BY 1030 PM.  MANY ROADS WILL BECOME FLOODED WITH THE POSSIBILITY OF
  SOME ROADS WASHING OUT.  IN ADDITION...SMALLER CREEKS AND STREAMS
  COULD FLOW OUT OF THEIR BANKS FROM THE HEAVY RAIN.

MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT DRIVE YOUR
VEHICLE INTO WATER OF UNKNOWN DEPTH. ONE OR TWO FEET OF WATER WILL
FLOAT MOST CARS DOWNSTREAM.

SCHUMACHER
&

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Forks, ND wrote its last area forecast discussion before this flash flood warning went out at Jun 26, 8:54 PM CDT, 27 minutes earlier.

Area forecast discussion, Jun 26, 8:54 PM CDT, 27 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
854 PM CDT FRI JUN 26 1998

SEVERE WEATHER. NO TIME FOR DISCUSSION.

GSF

In the hours before

Local storm report, Jun 26, 6:45 PM CDT, 2 hours 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
645 PM CDT FRI JUN 26 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0455 PM    ENGLEVALE 2SW             ND    STRONG WINDS BLOWING
06/26/98   RANSOM                          55 GAL DRUMS AROUND
                                           DAMAGED HOUSE

0500 PM    ENGLEVALE 2SW             ND    WIND DMG 8-10 INCH TREE
06/26/98   RANSOM                          LIMBS BROKEN

0500 PM    ELLIOT                    ND    WIND DMG TREES DOWN
06/26/98   RANSOM

0600 PM    MCLEOD                    ND    WIND DMG TREES DOWN
06/26/98   RANSOM                          EST 60+ WINDS PCPN 2.54
                                           IN 45 MIN FLOODED BASEMENTS

Local storm report, Jun 26, 6:45 PM CDT, 2 hours 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EASTERN NORTH DAKOTA/GRAND FORKS
645 PM CDT FRI JUN 26 1998

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0455 PM    ENGLEVALE 2SW             ND    STRONG WINDS BLOWING
06/26/98   RANSOM                          55 GAL DRUMS AROUND
                                           DAMAGED HOUSE

0500 PM    ENGLEVALE 2SW             ND    WIND DMG 8-10 INCH TREE
06/26/98   RANSOM                          LIMBS BROKEN

0500 PM    ELLIOT                    ND    WIND DMG TREES DOWN
06/26/98   RANSOM

0600 PM    MCLEOD                    ND    WIND DMG TREES DOWN
06/26/98   RANSOM                          EST 60+ WINDS PCPN 2.54
                                           IN 45 MIN FLOODED BASEMENTS

Special weather statement, Jun 26, 7:17 PM CDT, 2 hours 4 minutes before

NDZ006-007-014-015-024-270215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
717 PM CDT FRI JUN 26 1998

...VERY STRONG WINDS IN THE DEVILA LAKE AREA...

AT 655 PM CDT THE AUTOMATIC WEATHER STATION AT THE DEVILS LAKE
AIRPORT REPORTED A SOUTH WIND WITH GUSTS TO 64 MPH. THIS IS NOT
DIRECTLY ASSOCIATED WITH A SEVERE THUNDERSTORM BUT IS DUE TO THE
RAPID PRESSURE CHANGES CAUSED BY THE STRONG THUNDERSTORM COMPLEX
MOVING ACROSS SOUTHEAST NORTH DAKOTA. RESIDENTS OF THE MADDOCK...
LEEDS ... DEVILS LAKE...CANDO...AND MUNICH AREAS CAN EXPECT WIND
GUSTS TO 65 MPH THROUGH THE EVENING. THIS MAY CAUSE DAMAGE AND
RESIDENTS SHOULD SEEK SHELTER IN A PERMANENT STRUCTURE.
EWENS

Special weather statement, Jun 26, 7:17 PM CDT, 2 hours 4 minutes before

NDZ006-007-014-015-024-270215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE EASTERN ND/GRAND FORKS ND
717 PM CDT FRI JUN 26 1998

...VERY STRONG WINDS IN THE DEVILA LAKE AREA...

AT 655 PM CDT THE AUTOMATIC WEATHER STATION AT THE DEVILS LAKE
AIRPORT REPORTED A SOUTH WIND WITH GUSTS TO 64 MPH. THIS IS NOT
DIRECTLY ASSOCIATED WITH A SEVERE THUNDERSTORM BUT IS DUE TO THE
RAPID PRESSURE CHANGES CAUSED BY THE STRONG THUNDERSTORM COMPLEX
MOVING ACROSS SOUTHEAST NORTH DAKOTA. RESIDENTS OF THE MADDOCK...
LEEDS ... DEVILS LAKE...CANDO...AND MUNICH AREAS CAN EXPECT WIND
GUSTS TO 65 MPH THROUGH THE EVENING. THIS MAY CAUSE DAMAGE AND
RESIDENTS SHOULD SEEK SHELTER IN A PERMANENT STRUCTURE.
EWENS

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 26, 7:30 PM CDT	Flash Flood Warning	FGF	Clay, Wilkin	2 hr
Jun 26, 8:14 PM CDT	Severe Thunderstorm Warning	FGF	Becker, Otter Tail	46 min
Jun 26, 8:58 PM CDT	Severe Thunderstorm Warning	FGF	Becker, Otter Tail	47 min
Jun 27, 5:20 PM CDT	Severe Thunderstorm Warning	FGF	Kittson	30 min
Jun 27, 5:50 PM CDT	Severe Thunderstorm Warning	FGF	Marshall, Roseau	35 min
Jun 27, 6:24 PM CDT	Severe Thunderstorm Warning	FGF	Roseau	36 min
Jun 27, 6:55 PM CDT	Severe Thunderstorm Warning	FGF	Lake of the Woods	30 min

Nearby

Flash Flood Warnings in Minnesota, 1998 Every flash flood warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.